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The Egyptian Journal of Otolaryngology

Table 1 Comparison between the two studied groups and the effect of treatment on OSAS group according to ABR

From: Postoperative audiovestibular assessment of obstructive sleep apnea patients

 

ABR

Cases (n = 30)

Control (n = 20)

Pre-treatment

Post-treatment

Absolute latency

Wave I

   

 Min.-max.

1.37-2.14

1.34-1.99

0.88-1.97

 Mean ± SD.

1.72 ± 0.19

1.68 ± 0.16

1.56 ± 0.23

 Median

1.74

1.7

1.59

 Sig. bet. grps.

p1 = 0.391, p2 = 0.009*, p3 = 0.031*

Wave III

   

 Min.-Max.

3.60-4.28

3.36-4.17

3.38-3.97

 Mean ± SD.

3.91 ± 0.20

3.83 ± 0.24

3.70 ± 0.17

 Median

3.92

3.87

3.67

 Sig. bet. grps.

p1 = 0.131, p2 < 0.001*, p3 = 0.029*

Wave V

   

 Min.-max.

5.27-6.52

5.26-6.22

5.41-5.88

 Mean ± SD.

5.90 ± 0.35

5.80 ± 0.22

5.60 ± 0.13

 Median

5.91

5.84

5.56

 Sig. bet. grps.

p1 = 0.235, p2 < 0.001*, p3 < 0.001*

Interpeak latency

I-V

   

 Min.-max.

3.60-4.77

3.43-4.87

3.52-4.86

 Mean ± SD.

4.29 ± 0.34

4.25 ± 0.41

4.02 ± 0.32

 Median

4.30

4.20

3.92

 Sig. bet. grps.

p1 = 0.646, p2 = 0.007*, p3 = 0.001*

I-III

   

 Min.-max.

1.83-2.63

1.73-2.92

1.47-2.57

 Mean ± SD.

2.21 ± 0.20

2.15 ± 0.21

1.98 ± 0.27

 Median

2.25

2.15

1.99

 Sig. bet. grps.

p1 = 0.249, p2 = 0.034*, p3 = 0.020*

III-V

   

 Min.-max.

1.73-2.92

1.74-2.32

0.83-2.88

 Mean ± SD.

2.14 ± 0.26

2.10 ± 0.14

1.89 ± 0.51

 Median

2.14

2.08

1.84

 Sig. bet. grps.

p1 = 0.416, p2 = 0.048*, p3 = 0.031*

  1. Sig. bet. grps significance between groups, p1 p value for paired t test for comparing between cases pre and post treatment, p2 p value for Student’s t test for comparing between cases at pre-treatment and control, p3 p value for Student’s t test for comparing between cases at post-treatment and control
  2. *Statistically significant at p ≤ 0.05
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